Sliding door and window lock



FIG. 1 is a perspective view from above of a sliding door and window lock showing my new design;

FIG. 2 is a right side elevational view, the left side elevational view being substantially the same as shown in FIG. 1;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a sliding door and window lock, substantially as shown and described. 